des kÖnigl. entomologischen Museums zu Berlin. 427 



ducto; elytris nigris, lineolis irregularibus ad basin macu- 

 lisque in disco confuse flexiiosis, pallido-ornatis. Long. 

 4 mm, lat. 2V2nim.'' — Mauritius, Bourbon. 



3. Copelatus Guerini Aube, Hydr. p. 387. „Elon- 

 gato-ovalis, depressiusculus, castaueo-brunneus; capite toto, 

 thorace late ad latera, elytris confuse ad basin, latera et 

 apicem rufo-ferrugineis; elytris in disco striis quatuor lon- 

 gitudinalibus utrinque impressis. Long. 6 mm, lat. 3 mm." 

 Mauritius. 



4. Copelatus pulchellus Klug, Sharp 1. c. No. 

 864. „Oblongo-ovalis, latiusculus, haud elongatus, subde- 

 pressus, piceus, capite anterius, prothoracis lateribus ely- 

 trisque rufescentibus, bis disco plus minusve infuscato, basi 

 discrete dilutiora, antennis pedibusque rufis; thorace ad 

 angulos posteriores strigoso-punctato ; elytris striis sex pro- 

 fund is, suturali prope scutellum desinente, aliaque margi- 

 nal! valde abbreviata. Long. 573? lat. 3^/8 mm." Bourbon, 

 (? Senegal). 



5. Rhantus socialis, Waterhouse, Ann. Nat. Hist. 

 4 ser. XVIII p. 106. „Elongato-ovalis, supra obscure fla- 

 vicans, infra uiger; capite postice nigro, vertice transversim 

 flavo-notato ; thorace disco guttis parvis duabus approxima- 

 tis piceis notato; elytris obscurioribus (flavo-limbatis) ; pro- 

 sterno pallido. Long. 4V2 lin., lat. 2V8 lin." Rodriguez. 



6. Cybister Desj ardin sii Aube, Hydr. p. 93. 

 „Elongato-ovalis, vix postice dilatatus, ad apicem rotun- 

 datus, convexiusculus, nitidus, supra et infra nigro-piceus; 

 labro luteo; thoracis lateribus confuse ferrugineis ; elytris 

 ad apicem macula irregulari lutea vix conspicue notatis; 

 pedibus piceo-nigris, anticis rufo-variis. — Mas: elytris 

 laevibus. Femina: striis minimis irregularibus valde et 

 dense impressis; thorace valde reticulato-strigoso. Long. 

 28—29, lat. 15-1572 mm.^^ - Ile de France. 



